discourse/bin/unicorn

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#!/usr/bin/env ruby
# frozen_string_literal: true
require 'pathname'
ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
Pathname.new(__FILE__).realpath)
RAILS_ROOT = File.expand_path("../../", Pathname.new(__FILE__).realpath)
require 'rubygems'
require 'bundler/setup'
require 'digest'
dev_mode = false
def ensure_cache_clean!
all_plugin_directories = Pathname.new(RAILS_ROOT + '/plugins').children.select(&:directory?)
core_git_sha = `git rev-parse HEAD`.strip
plugins_combined_git_sha = `git ls-files -s plugins | git hash-object --stdin`.strip
super_sha = Digest::SHA1.hexdigest(core_git_sha + plugins_combined_git_sha)
hash_file = "#{RAILS_ROOT}/tmp/plugin-hash"
old_hash = File.exists?(hash_file) ? File.read(hash_file) : nil
if old_hash && old_hash != super_sha
puts "WARNING: It looks like your discourse plugins or core version have recently changed."
puts "The tmp/cache directory will be wiped to avoid development issues."
`rm -rf #{RAILS_ROOT}/tmp/cache`
puts
end
FileUtils.mkdir_p(RAILS_ROOT + "/tmp")
File.write(hash_file, super_sha)
end
# in development do some fussing around, to automate config
if !ARGV.include?("-E") &&
!ARGV.include?("--env") &&
(ENV["RAILS_ENV"] == "development" || !ENV["RAILS_ENV"])
dev_mode = true
ARGV.push("-N")
if !ARGV.include?("-c") && !ARGV.include?("--config-file")
ARGV.push("-c")
ARGV.push(File.expand_path("../../config/unicorn.conf.rb",
Pathname.new(__FILE__).realpath))
end
# we do not want to listen on 2 ports, so lets fix it
if (idx = ARGV.index("-p")) && (port = ARGV[idx + 1].to_i) > 0
ENV["UNICORN_PORT"] ||= port.to_s
end
ENV["UNICORN_PORT"] ||= "9292"
if ARGV.delete("-x")
puts "Running without sidekiq"
ENV["UNICORN_SIDEKIQS"] = "0"
end
ENV["UNICORN_SIDEKIQS"] ||= "1"
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ensure_cache_clean!
end
if ARGV.include?("--help")
fork do
load Gem.bin_path('unicorn', 'unicorn')
end
Process.wait
puts "Extra Discourse Options:"
puts " -x run without sidekiq"
exit
end
# this dev_mode hackery enables, the following to be used to restart unicorn:
#
# pkill -USR2 -f 'ruby bin/unicorn'
#
# This is handy if you want to bind a key to restarting unicorn in dev
if dev_mode
restart = true
while restart
restart = false
pid = fork do
load Gem.bin_path('unicorn', 'unicorn')
end
done = false
Signal.trap('INT') do
# wait for parent to be done
end
Signal.trap('USR2') do
Process.kill('QUIT', pid)
puts "RESTARTING UNICORN"
restart = true
end
while !done
sleep 1
done = Process.waitpid(pid, Process::WNOHANG)
end
end
else
load Gem.bin_path('unicorn', 'unicorn')
end